If a substance has a mass of 12.50 g and takes up 3.4 mL of space, what is the density?

Answers

Answer 1

Answer:

The answer is

3.68 g/mL

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} [/tex]

From the question

mass of substance = 12.50 g

volume = 3.4 mL

The density of the substance is

[tex]density = \frac{12.50}{3.4} \\ = 3.676470588...[/tex]

We have the final answer as

3.68 g/mL

Hope this helps you


Related Questions

PLEASE HELP The arrows in the chart below represent phase transitions.

Three bars are shown labeled Solid, Liquid, and Gas. They are connected by arrows labeled 1 to 6. Arrow 1 points from liquid to gas; arrow 2 from solid to liquid, arrow 3 from solid to gas, arrow 4 from gas to liquid, arrow 5 from liquid to solid, and arrow 6 from gas to solid.

Which arrows represent the phase transitions in which heat energy is gained?
1, 2, and 3
2, 3, and 5
3, 4, and 5
4, 5, and 6

Answers

1, 2, and 3

hope it helps next time upload with picture

What do hydrologists primarily study?
O A. Stars
O B. Rocks
O c. Water
O D. Weather

Answers

hydrologists primarily study water, i think

what do isotopes have in common

Answers

Answer:

Isotopes are atoms of the same element that have different numbers of neutrons but the same number of protons and electrons. The difference in the number of neutrons between the various isotopes of an element means that the various isotopes have different masses.

(if this help pls mark as brainliest :))

Answer:

Number of protons

Explanation:

Isotopes are the same atom of an element with same

number of protons but different number of Neutrons.

How many penicillin molecules would you have if you had a total of 36 hydrogen atoms? What would be the total atomic mass?

Answers

Answer:

Explanation:

Molecular formula of penicillin  = C₁₆ H₁₈ N₂ O₄S

No of hygrogen atoms = 36

No of molecules = 36 / 18 = 2

molecular weight = 334 amu

molecular weight of 2 molecules = 334 x 2 = 668 amu.  


2. If an eagle is flying at a constant speed, it is accelerating. True or
False

Answers

Answer:

False

Explanation:

Answer:

:0

Explanation:

Which two statements describe what happens to energy during cellular
respiration?
A. Some chemical energy is transformed into thermal energy
B. Light energy is transferred to molecules of ATP and used to carry
out life processes
O C. Some thermal energy is transformed into chemical energy
D. Chemical energy is transferred to molecules of ATP and used to
carry out life processes.

Answers

Answer:

Chemical energy is transferred to molecules of ATP and used to carry out life processes

AND

Some chemical energy is transformed into thermal energy.

Explanation:

During Cellular respiration, Some chemical energy is transformed into thermal energy and rest Chemical energy is transferred to molecules of ATP and used to carry out life processes.Hence, Option (A) and (D) are correct

What is Cellular rerspiration ?

Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from nutrients into adenosine triphosphate, and then release waste products.

Therefore, During Cellular respiration, Some chemical energy is transformed into thermal energy and rest Chemical energy is transferred to molecules of ATP and used to carry out life processes. Hence, Option (A) and (D) are correct

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What happens when a Bose-Einstein condensate forms?
A. A large atom is split into many smaller atoms temporarily.
B. The atoms of the solid condense into one large superatom.
C. It causes all matter touching it to condense into a liquid.
D. The electrons separate from the nuclei forming a mass of unbound positive and negative charges.

Answers

Answer:

the answer would be B

Explanation:

The atoms of the solid condense into one large superatom. Hence, option B is correct.

What are atoms?

An atom contains a central nucleus surrounded by one or more electrons.

Bose-Einstein condensation occurs at a temperature very close to absolute zero i.e 273.15 degrees centigrade. Under such conditions, a large quantity of Boson occupies the lowest quantum state, at which point microscopic quantum phenomena become apparent macroscopically.  A BEC is formed by cooling a gas of extremely low density about one hundred thousandth the density of normal air, to ultra-low temperature.

Hence, option B is correct.

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What must occur in order for a chemical reaction to be specifically classified as endothermic instead of
exothermic?

Atoms are rearranged.

Chemical bonds are formed.

Energy is released in the form of heat.

Energy is absorbed in the form of heat.

Answers

Answer:

A

Explanation:

What must happen in order for a chemical reaction to be specifically classified as endothermic instead of exothermic is that energy is absorbed in the form of heat.

Chemical reactions can be exothermic or endothermic depending on whether it gives off or absorb energy (in the form of heat).

When energy is given off by a reaction, the temperature of the reaction vessel becomes warmer than the initial temperature before the reaction. Such a reaction is said to be exothermic.

For endothermic reactions, heat energy is absorbed from the surrounding. Thus, the reaction vessel appears colder when compared to the initial temperature before the reaction.

More on exothermic and endothermic reactions can be found here: https://brainly.com/question/4345448

1
How many significant figures are there in 9,000,500 mL?

Answers

There are 2 significant figures in this number. A significant figure is any number that isn’t 0. Hope this helps.

Molding a shape from soft, malleable material (clay or plaster) or constructing a shape from harder material (such as metal or paper). Molding is what a child does with Play-Doh or origami.

Answers

Complete question is;

Molding a shape from soft, malleable material (clay or plaster) or constructing a shape from harder material (such as metal or paper) is called what?

Molding is what a child does with Play-Doh or origami

Answer:

Modeling

Explanation:

In chemistry, we have a branch called modeling chemistry. In modeling, we organize together a series of models instead of a collection of topics. In this approach, we will begin with a phenomena that can be readily observed and are gradually develop the simplest model of matter that helps us make sense of our observations.

Now in the question, we are Molding a shape from soft, malleable materials like clay/plaster or constructing from harder materials like metal/paper. This means that we are organizing a series of models from either soft & malleable or harder materials to produce a simple model shape.

Thus, this is simply modeling.

A metal ‘X’ has high melting point, good conductor of electricity, and is most malleable. Then the metal ‘X’ is A) Cu B) Au C) Fe D) Pt

Answers

Answer:

A) Cu

(copper)

HELP PLEASE!!!

Which best represents the law of conservation of mass?

A- mass of reactants > mass of products

B- mass of reactants < mass of products

C- mass of reactants = mass of products

D- mass of reactants -> mass of products​

Answers

Answer:

c

Explanation:

the input of the mass is always equal to the mass of the outputs

Answer:

The correct answer is C

Explanation:

I did C like they said and it was correct!

Match the scientist to his contribution to the atomic theory - Thomson - Rutherford - Bohr A. Electron energy levels B. Nucleus C. Electrons

Answers

Answer: Thomson - C

Rutherford - B

Bohr - A

Explanation: I just took the quiz

can someone help me please

Answers

Answer:

A

Explanation:

the circles are more tightly packed together in box A than in box B in the same amount of space

Which describes a property of water that allows plants to transfer it from their roots to their leaves?
O Water exhibits weak adhesion and cohesion, which allows capillary action to occur.
O Water exhibits strong adhesion and cohesion, which allows capillary action to occur.
Water has low surface tension, which prevents capillary action from occurring.
Water has high surface tension, which prevents capillary action from occurring.

Answers

Answer:

B water exhibits weak adhesion and cohesion which allows capillary action to occur.

Explanation:

took the test

Water exhibits strong adhesion and cohesion, which allows capillary action to occur.

What property of water allows it to move through a plant?

The cohesive properties of water (hydrogen bonding between adjacent water molecules) allow the column of water to be 'pulled' up through the plant as water molecules are evaporating at the surfaces of leaf cells. This process has been termed the Cohesion Theory of Sap Ascent in plants.

What are adhesion and cohesion?

Cohesion and adhesion are two water properties that describe how water molecules interact with each other. and how water molecules interact with other things like leaves or even you. Cohesion means that water likes to stick to itself and adhesion means that water likes to stick to other things.

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Calculate the volume of a sample of iron that has a density of 6.8 g/mL and a mass of 6780 mg.

Answers

Answer:

m= 6780mg = 6.78g = 6.8g

d= 6.8g/ml

V= m/d

V= 1ml

why is it important to conduct scientific tests more than one time

Answers

Answer:

you man get different results

PLEASEE ANSWER FASST

Answers

The valance of Alkine two

How are the molecules in the cell membrane arranged? as a lipid bilayer as a protein bilayer as a carbohydrate bilayer as a DNA bilayer

Answers

Answer:

as a lipid bilayer

Explanation:

just took the test

Answer:

A. as a lipid bilayer

What is the density of 19 milliliters of a liquid substance with a mass of 6.05 grams?

Answers

Answer:

The answer is

0.32 g/mL

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} [/tex]

From the question

mass = 6.05 g

volume = 19 mL

The density of the substance is

[tex]density = \frac{6.05}{19} \\ = 0.3184210526...[/tex]

We have the final answer as

0.32 g/mL

Hope this helps you

how many energy levels do aluminum, argon and sodium have?
plz help

Answers

Answer:

aluminum - 3,argon - 3,sodium - 3

Explanation:

What are the three types of symbiosis?

Answers

Answer:

commensalim, mutualism, parasitism

Commensalism, mutualism, parasitism

Sir Isaac Newton developed a law that describes the gravity between bodies of matter called _________________________________.

Answers

Answer:

Universal law of gravitation

Which statement best compares and contrasts lipids and carbohydrates?
Both are used for energy storage, but only carbohydrates are used for long-term energy storage,
Both are used for energy storage, but only carbohydrates are used for short-term energy storage.
Both are used for tissues, but only carbohydrates are used for tissue growth.
Both are used for tissues, but only lipids are used for tissue growth.

Answers

Answer:

The answer is B

Both are used for energy storage, but only carbohydrates are used for short-term energy storage.

Explanation:

hope it helps

got it right on edge

i just submitted it and got it right

Both are used for energy storage, but only carbohydrates are used for short-term energy storage.

MACROMOLECULES:

Macromolecules are large or complex molecules made up of monomers. The macromolecules in nature are as follows: proteins, carbohydrates, lipids and nucleic acids.

Each macromolecule performs specific functions in the body and hence, are very important.

Carbohydrates and lipids are used as energy storage, however, lipids store energy in the body for a long term than carbohydrates.

Carbohydrates store energy for a short term because they are readily used by the body.

Therefore, both macromolecules are used for energy storage, but only carbohydrates are used for short-term energy storage.

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What is the number of protons plus the number of neutrons equal to?
A. atomic number
b. atomic charge
c. atomic isotope number
d.mass number​

Answers

Answer:

atomic number

Explanation:

 The mass number of the atom (M) is equal to the sum of the number of protons and neutrons

1. A 205 g sample of H20 at 25.0 °C is heated until the temperature reaches 75.0 °C. How many
Joules of heat were required to do this? (remember c = 4.184J/g • °C)

Answers

Answer:

i really dont know

Explanation:

byeeeeeeeeeeeee

Which shell is the outermost for oxygen?
A 192
B. 292
C. 252P
D. 2P

Answers

Answer:

D is the answer

WILL MARK BRAINLIEST

7. When the numbers 5.56 x 10^2 and 3.81 x 10^3 are added the result is:
a) 4.36 x 10^3
b) 4.366 x 10^3
c) 4.366 x 10^2
d) 4.37 x 10^3

Answers

Answer:

option b

Explanation:

556+3810

=4366

=4.366*10^3

Hope it helps

Pls mark as brainliest

The first record of the scientific method being used was approximately
O A) 600 years ago.
O B) 3,000 years ago.
O C) 50 years ago.
O D) 1.200 years ago.

Answers

Answer:

600 years ago

Explanation:

it was first recorded by England's Sir Francis Bacon (1561-1626)

Which phrase best describes igneous rocks?
form when lava and magma cool
accumulate sediments following erosion
require heat and pressure to be formed
consist of many sediment layers

Answers

Answer:form when magma and lava cool :/

Explanation:hope this helps, and I’m this because ingenious rocks are made/ formed from magma and lava.

The phrase which best describes igneous rocks is option A, .i.e., it forms when lava and magma cool.  

What is igneous rock?

Igneous rocks are formed by the melting of  earth's crust  into magma, . The two types of this rocks are, Extrusive and intrusive igneous rocks . The slow cooling of magma beneath the surface results in intrusive igneous rock.

Magma in the crystal is in molten liquid state which heat by convection and flows out. This creates slight movement in plates and the hot mantle the cools down to form igneous crystals.

Extrusive igneous rock is created when lava above the surface cools quickly. The magma hardens more quickly after being brought to the surface via cracks or volcanic explosions. As a result, these rocks are crystalline, smooth, and fine-grained.

Thus regarding the formation of igneous rocks, option A is correct.

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